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Trifluoroacetic acid → 2-cyano-N-((1R,2S)-3-fluoro-1-hydroxy-1-(4-(6-(methylsulfonamidomethyl)pyridin-3-yl)phenyl)propan-2-yl)acetamide

HRID 1487540
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HRID 1487540 반응식
[F:1][CH2:2][C@@H:3]1[C@@H:7]([C:8]2[CH:13]=[CH:12][C:11]([Sn](C)(C)C)=[CH:10][CH:9]=2)[O:6]C(C)(C)[N:4]1[C:20](=[O:24])[CH2:21][C:22]#[N:23].Br[C:26]1[CH:27]=[CH:28][C:29]([CH2:32][NH:33][S:34]([CH3:37])(=[O:36])=[O:35])=[N:30][CH:31]=1.O1C=CC=C1P(C1OC=CC=1)C1OC=CC=1.FC(F)(F)C(O)=O>CN(C)C=O.O.C(Cl)Cl.C1(C)C=CC=CC=1.[Pd].[Pd].C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1>[C:22]([CH2:21][C:20]([NH:4][C@H:3]([CH2:2][F:1])[C@H:7]([OH:6])[C:8]1[CH:9]=[CH:10][C:11]([C:26]2[CH:31]=[N:30][C:29]([CH2:32][NH:33][S:34]([CH3:37])(=[O:35])=[O:36])=[CH:28][CH:27]=2)=[CH:12][CH:13]=1)=[O:24])#[N:23]
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참가 물질

10

반응물 4

HCID 6422Trifluoroacetic acidHCID 521585Tris(furan-2-yl)phosphaneHCID 67819070N-((5-bromopyridin-2-yl)methyl)methanesulfonamideHCID 866954953-((4S,5R)-4-(fluoromethyl)-2,2-dimethyl-5-(4-(trimethylstannyl)-phenyl)oxazolidin-3-yl)-3-oxopropanenitrile

생성물 1

HCID 866954942-cyano-N-((1R,2S)-3-fluoro-1-hydroxy-1-(4-(6-(methylsulfonamidomethyl)pyridin-3-yl)phenyl)propan-2-yl)acetamide
수율 2.8%

시약·촉매·용매 5

HCID 9832798Tris(dibenzylideneacetone) dipalladium촉매HCID 962Water용매HCID 1140Toluene용매HCID 6228Dimethylformamide용매2회HCID 6344Dichloromethane용매

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온도
70 °C

실험 절차

A mixture of 3-((4S,5R)-4-(fluoromethyl)-2,2-dimethyl-5-(4-(trimethylstannyl)-phenyl)oxazolidin-3-yl)-3-oxopropanenitrile (150 mg, 0.342 mmol), N-((5-bromopyridin-2-yl)methyl) methanesulfonamide (90 mg, 0.342 mmol), tris(2-furyl)phosphine (16 mg, 0.068 mmol) and tris(dibenzylideneacetone) dipalladium(0) (32 mg, 0.034 mmol) in dimethylformamide (3 mL) is heated at 70° C. for 4 h under nitrogen. The mixture is then cooled, diluted with water (10 mL) and extracted with ethyl acetate (3×15 mL). Extracts are dried over Na2SO4 and concentrated to get crude product m/z (CI) M+H 461. Obtained product is dissolved in CH2Cl2 (3 mL) and treated with trifluoroacetic acid (0.5 mL) for 3 hours at room temperature. Reaction is diluted with toluene (10 mL) and concentrated to syrup. Obtained crude product dissolved in dimethylformamide (2 mL) and purified using HPLC to give the title product (4 mg): m/z (CI) M+H 421.

후처리

  1. temperatureThe mixture is then cooled
  2. extractionextracted with ethyl acetate (3×15 mL)
  3. dry with materialExtracts are dried over Na2SO4
  4. concentrationconcentrated
  5. customto get crude product m/z (CI) M+H 461
  6. customReaction
  7. concentrationconcentrated to syrup
  8. customObtained crude product
  9. custompurified

출처 및 근거

ORD 기록
ord-2f924d0a60d54f0983ec3090a7e3346a
출처 데이터셋
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09428528B2

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